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参数资料
| 型号： | MAX6504UKP015+T |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | Low-Cost, +2.7V to +5.5V, Micropower Temperature Switches in SOT23 and TO-220 |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO5 |
| 封装： | SOT-23, 5 PIN |
| 文件页数： | 4/9页 |
| 文件大小： | 317K |
| 代理商： | MAX6504UKP015+T |
MAX6501–MAX6504
Low-Cost, +2.7V to +5.5V, Micropower
Temperature Switches in SOT23 and TO-220
4
_______________________________________________________________________________________
Pin Description
1, 2
Ground. Not internally connected. Tie both ground pins togeth-
er close to the chip. Pin 2 provides the lowest thermal resis-
tance to the die.
1, 2
PIN
1, 2
GND
3
Hysteresis Input. Connect HYST to GND for +2°C hysteresis, or
connect to VCC for +10°C hysteresis.
3
HYST
4
Supply Input (+2.7V to +5.5V)
5
—
Open-Drain, Active-Low Output. TOVER goes low when the die
temperature exceeds the factory-programmed temperature
threshold. Connect to a 100k pull-up resistor. May be pulled
up to a voltage higher than VCC.
—
TOVER
4
VCC
—
5
Push-Pull Active-High Output. TOVER goes high when the die tem-
perature exceeds the factory-programmed temperature threshold.
—
Open-Drain, Active-Low Output. TUNDER goes low when the
die temperature goes below the factory-programmed tempera-
ture threshold. Connect to a 100k pull-up resistor. May be
pulled up to a voltage higher than VCC.
5
—
TUNDER
—
Push-Pull Active-High Output. TUNDER goes high when the die tem-
perature falls below the factory-programmed temperature threshold.
—
5
TUNDER
—
TOVER
MAX6502
MAX6501
MAX6503
MAX6504
NAME
FUNCTION
________________General Description
The MAX6501–MAX6504 fully integrated temperature
switches incorporate two temperature-dependent refer-
ences and a comparator. One reference exhibits a pos-
itive temperature coefficient and the other a negative
temperature coefficient (Figure 1). The temperature at
which the two reference voltages are equal determines
the temperature trip point. Pin-selectable +2°C or
+10°C hysteresis keeps the output from oscillating
when the die temperature approaches the threshold
temperature. The MAX6501/MAX6503 have an active-
low, open-drain output structure that can only sink cur-
rent. The MAX6502/MAX6504 have an active-high,
push-pull output structure that can sink or source cur-
rent. The internal power-on reset circuit guarantees the
output is at TTH = +25°C state at start-up for 50s.
The MAX6501–MAX6504 are available with factory-
preset temperature thresholds from -45°C to +125°C in
10°C increments. Table 1 lists the available temperature
threshold ranges. The MAX6501/MAX6503 outputs are
intended to interface with a microprocessor (P) reset
input (Figure 2). The MAX6502/MAX6504 outputs are
intended for applications such as driving a fan control
(Figure 3).
Hysteresis Input
The HYST pin is a CMOS-compatible input that selects
hysteresis at either a high level (+10°C for HYST = VCC)
or a low level (+2°C for HYST = GND). Hysteresis pre-
vents the output from oscillating when the temperature
approaches the trip point. The HYST pin should not
float. Drive HYST close to ground or VCC. Other input
voltages cause increased supply current. The actual
amount of hysteresis depends on the part’s pro-
grammed trip threshold. (See the Typical Operating
Characteristics graphs.)
Table 1. Factory-Programmed Threshold
Range
+35°C < TTH < +125°C
THRESHOLD (TTH) RANGE
-45°C < TTH < +15°C
MAX6503
MAX6504
MAX6501
MAX6502
PART
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相关代理商/技术参数 |
参数描述 |
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| MAX6505UTN005+T | 功能描述:板上安装温度传感器 Dual Trip Temperature Switch RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| MAX6505UTN005-T | 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| MAX6505UTN010+ | 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 6PIN SOT-23 - Rail/Tube |
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